:root {
  --ink: #e9eef2;
  --muted: #9fb0bd;
  --panel: rgba(13, 26, 36, 0.78);
  --line: rgba(255, 255, 255, 0.12);
  --brass: #dba64a;
  --brass-ink: #1c1405;
  --panel-w: 340px;
  --edge: 16px;
  --safe-l: env(safe-area-inset-left, 0px);
  --safe-r: env(safe-area-inset-right, 0px);
  --safe-b: env(safe-area-inset-bottom, 0px);
}
* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body {
  font: 15px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: var(--ink);
  background: radial-gradient(120% 90% at 60% 20%, #3f6177 0%, #1c3445 45%, #0b1822 100%);
  overflow: hidden;
  -webkit-tap-highlight-color: transparent;
}
#view { position: fixed; inset: 0; width: 100%; height: 100%; display: block; }

#panel {
  position: fixed; top: var(--edge); left: calc(var(--edge) + var(--safe-l)); bottom: calc(var(--edge) + var(--safe-b)); width: var(--panel-w);
  padding: 22px 22px 14px; overflow-y: auto; overscroll-behavior: contain;
  background: var(--panel); border: 1px solid var(--line); border-radius: 14px;
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  display: flex; flex-direction: column; gap: 18px;
  transition: opacity .3s;
}
body.building #panel { opacity: 0; pointer-events: none; }
.eyebrow { margin: 0; font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--brass); }
h1 { margin: 2px 0 6px; font: 600 44px/1 Georgia, "Times New Roman", serif; letter-spacing: .01em; }
.sub { margin: 0; color: var(--muted); }
h2 { margin: 0 0 8px; font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); font-weight: 600; }

.specs { margin: 0; }
.specs div { display: flex; justify-content: space-between; gap: 12px; padding: 6px 0; border-top: 1px solid var(--line); }
.specs dt { color: var(--muted); white-space: nowrap; }
.specs dd { margin: 0; text-align: right; font-variant-numeric: tabular-nums; }
.specs small { color: var(--muted); font-size: 12px; }

#features { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 6px; }
#features button {
  font: inherit; font-size: 13px; color: var(--ink); cursor: pointer;
  padding: 6px 11px; border-radius: 999px; border: 1px solid var(--line); background: rgba(255, 255, 255, .05);
}
@media (hover: hover) { #features button:hover { border-color: var(--brass); } }
#features button[aria-pressed="true"] { background: var(--brass); border-color: var(--brass); color: var(--brass-ink); font-weight: 600; }
.feature-text { margin: 12px 0 0; min-height: 5.8em; color: var(--muted); }
.feature-text b { color: var(--ink); font-weight: 600; }
footer { margin-top: auto; font-size: 11.5px; color: #7f909d; border-top: 1px solid var(--line); padding-top: 10px; }

#dock {
  position: fixed; left: calc(var(--panel-w) + 2 * var(--edge) + var(--safe-l)); right: calc(var(--edge) + var(--safe-r)); bottom: calc(22px + var(--safe-b));
  display: flex; justify-content: center; pointer-events: none;
}
body.building #dock { left: calc(var(--edge) + var(--safe-l)); }
#dock > * { pointer-events: auto; }
button { font: inherit; touch-action: manipulation; }
.primary {
  padding: 13px 26px; border-radius: 999px; border: 0; cursor: pointer;
  background: var(--brass); color: var(--brass-ink); font-weight: 700; font-size: 16px;
  box-shadow: 0 8px 26px rgba(0, 0, 0, .35);
}
.primary:hover { filter: brightness(1.08); }
#transport {
  display: flex; align-items: center; gap: 10px; width: min(820px, 100%);
  padding: 10px 14px; border-radius: 14px; background: var(--panel); border: 1px solid var(--line);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
}
#transport[hidden] { display: none; }
#transport button {
  min-width: 38px; height: 38px; border-radius: 10px; border: 1px solid var(--line);
  background: rgba(255, 255, 255, .06); color: var(--ink); cursor: pointer;
}
@media (hover: hover) { #transport button:hover { border-color: var(--brass); } }
.track { flex: 1; min-width: 0; }
#stage { font-size: 13px; margin-bottom: 2px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
#scrub { width: 100%; accent-color: var(--brass); margin: 0; }
#clock { font-variant-numeric: tabular-nums; color: var(--muted); font-size: 13px; min-width: 2.6em; text-align: right; }
.follow { font-size: 12px; color: var(--muted); display: flex; align-items: center; gap: 4px; white-space: nowrap; }

#loading { position: fixed; inset: 0; display: grid; place-items: center; background: #0b1822; z-index: 10; transition: opacity .5s; }
#loading.done { opacity: 0; pointer-events: none; }
#loading .box { width: 240px; text-align: center; color: var(--muted); }
#loading .bar { height: 4px; margin-top: 12px; border-radius: 4px; background: rgba(255, 255, 255, .12); overflow: hidden; }
#loadbar { display: block; height: 100%; width: 0; background: var(--brass); transition: width .2s; }
#loading.error .label { color: #ffb4a8; }

/* short landscape screens (a phone on its side): a slimmer side panel */
@media (max-height: 500px) {
  :root { --panel-w: 290px; --edge: 8px; }
  #panel { padding: 14px 16px 10px; gap: 12px; }
  h1 { font-size: 30px; }
  #dock { bottom: calc(10px + var(--safe-b)); }
  .primary { padding: 10px 20px; font-size: 15px; }
}

/* phones and narrow windows: the panel becomes a bottom sheet, the boat keeps the space above it
   (app.js reads the sheet's size to centre the boat there and sets --sheet-h) */
@media (max-width: 820px) and (min-height: 501px), (max-width: 560px) {
  :root { --edge: 8px; }
  #panel {
    top: auto; right: calc(var(--edge) + var(--safe-r)); width: auto; max-height: 44vh; max-height: 44dvh;
    padding: 14px 16px 10px; gap: 12px;
  }
  #panel header { order: 0; }
  #panel .features { order: 1; }
  #panel .particulars { order: 2; }
  #panel footer { order: 3; }
  h1 { font-size: 30px; margin-bottom: 4px; }
  .sub { font-size: 14px; }
  /* one swipeable row of features rather than four wrapped rows */
  #features {
    flex-wrap: nowrap; overflow-x: auto; margin: 0 -16px; padding: 0 16px;
    scrollbar-width: none; overscroll-behavior-x: contain;
  }
  #features::-webkit-scrollbar { display: none; }
  #features li { flex: none; }
  #features button { white-space: nowrap; font-size: 14px; padding: 9px 14px; }
  .feature-text { margin-top: 10px; min-height: 7.25em; font-size: 14px; }

  #dock {
    left: calc(var(--edge) + var(--safe-l));
    bottom: calc(var(--sheet-h, 44vh) + var(--edge) + var(--safe-b) + 10px);
  }
  body.building #dock { bottom: calc(10px + var(--safe-b)); }
  .primary { padding: 10px 20px; font-size: 15px; }

  /* transport on two rows: stage and camera toggle above, controls and scrubber below */
  #transport {
    display: grid; width: 100%; gap: 6px 8px; padding: 10px 12px;
    grid-template-columns: auto auto minmax(0, 1fr) auto auto auto;
    grid-template-areas: "stage stage stage stage follow follow" "pause restart scrub clock speed close";
  }
  .track { display: contents; }
  #stage { grid-area: stage; margin: 0; align-self: center; }
  #scrub { grid-area: scrub; height: 40px; min-width: 0; }
  #pause { grid-area: pause; } #restart { grid-area: restart; } #clock { grid-area: clock; }
  #speed { grid-area: speed; } #close { grid-area: close; }
  .follow { grid-area: follow; justify-self: end; font-size: 13px; padding: 4px 0; }
  #transport button { min-width: 40px; height: 40px; }
}